package cn.lijigou.shopping.views;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.widget.Gallery;


/**
 *  
 * @version CreatTime2011-12-8  
 *
 */
 public class ImageAdsGallery extends Gallery {   
	   
	    public ImageAdsGallery(Context context, AttributeSet attrs) {   
	        super(context, attrs);   
	    }   
	  
	    private boolean isScrollingLeft(MotionEvent e1, MotionEvent e2) {   
	         return e2.getX() > e1.getX();   
	     }   
	   
	     @Override  
	     public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,   
	             float velocityY) {   
	        int keyCode;   
	         if (isScrollingLeft(e1, e2)) {         
	             keyCode = KeyEvent.KEYCODE_DPAD_LEFT;   
	         } else {   
	             keyCode = KeyEvent.KEYCODE_DPAD_RIGHT;   
	         }   
	         onKeyDown(keyCode, null);   
	         return true;   
	    }   
	 }
 